DS.FixtureAdapter writes changes to FIXTURES
Integration test for DS.FixtureAdapter
Rename storeFixture
FixtureSerializer correctly serializes associations
Sideload data based on related types, not the names of foreign keys
Clean up test that used to require that a belongsTo relationship be set after `createRecord`
CURRENT_API_REVISION: 12
Merge pull request #776 from dgeb/sideloaded-keys

REV 12: Update serialization conventions
Fix: pass `this` into `normalizeSideloadMappings()`
Clean up FK ids in test
Merge pull request #777 from dgeb/fix-normalize-sideload-mappings

Fix normalizeSideloadMappings() in the JSON adapter
Merge pull request #728 from twinturbo/fixture-adapter-fixes

Fixture adapter commits changes